Marten van Wezel <marten@...> wrote: While Opera might not be perfect, it is pretty good at spotting XML
errors, and phones usually just choke at 'bad XML' not at 'XML tags they
don't recognise (they just ignore those)'.

Putting these two together brings me at one question:

Is your server serving the right content type?

If opera gets told 'the following is HTML' then it'll be lax about
errors. If it gets told 'this is XML' it'll complain loudly.